Senior UA Manager

Location: Warsaw, PL We bring startups and disruptive tech companies to the local market, offering engineers the opportunity to work on innovative, high-impact products. Join us and become a member of their R&D team while we take care of employment, HR support, a benefits package, and an enjoyable work environment. App Central creates and grows mobile apps used by millions worldwide. Their apps are primarily monetized through in-app advertising. We’re building the RnD team for App Central . ‍ Every UA decision is judged on real ad revenue per user, not vanity installs. We're looking for a Senior UA Manager to own and scale paid acquisition across our client’s mobile portfolio. ‍ You'll manage significant daily budgets across Meta, TikTok, Mintegral, AppLovin, Unity and other networks, with one clear goal: profitable growth measured by ROAS. ‍ This is a hands-on role with direct impact on company revenue and a short path from idea to live test. Plan, launch and optimize mobile UA campaigns across Meta, TikTok, Mintegral, AppLovin, Unity and additional networks (Google App Campaigns, ironSource, Moloco, Liftoff, DSPs) Own budgets and hit ROAS targets (D0/D3/D7) by managing tROAS bids, daily caps and budgets at campaign and country level Scale winners and cut losers fast, based on trends and total profit, not single-day noise Build and run a structured testing roadmap: new networks, geos, bidding strategies, audiences and creatives Work closely with the Creative team on briefs, concepts and creative performance analysis Partner with Data and Monetization teams to connect UA cost with ad revenue (eCPM, ARPDAU, LTV curves) Analyze performance in SQL and BI dashboards, and spot issues before they cost money Manage relationships with network account managers and push for betas, better terms and support Report weekly to management on spend, ROAS, learnings and next steps 5+ years of hands-on mobile UA experience Proven track record managing significant budgets on at least two of: Meta, TikTok, Mintegral, AppLovin, Unity Deep understanding of ROAS-based bidding (tROAS, AEO/VO, CPI/CPE) and cohort-based KPIs Strong analytical skills: comfortable with Excel/Sheets, BI tools, and MMP data (AppsFlyer, Adjust or similar) Ownership mindset: you treat the budget like your own money English from Upper-Intermediate (B2) Experience in mobile gaming or adtech companies Experience growing apps monetized mainly through in-app ads (IAA) or hybrid models, not only IAP Understanding of ad monetization: mediation, eCPM, ARPDAU and how they drive LTV and ROAS Hands-on experience with AppLovin and Mintegral at scale SQL skills (Snowflake, BigQuery or similar) Experience launching new networks and geos from zero Experience with creative testing frameworks and working with creative teams ‍ ‍ ‍ At On The Spot, we’re creating a workplace people would want to stay in: supportive, well-organized, and fair in terms of conditions and benefits. ‍ We’ll share more about our benefit package during the interviews. In the meantime, you can always check our Glassdoor reviews .